Fishermen in Maine and other Northeastern states have seen the amount of cod they're allowed to catch slashed dramatically this year. In the Gulf of Maine the quota was cut by 77 percent. But a new study by federal government scientists suggests it's not just fishing pressure which has driven down numbers. The National Atmospheric and Oceanic Administration finds that changing ocean temperatures have profoundly affected a key food source for many fish in the Northeast Continental Shelf in recent years - and this in turn may be influencing the recovery of Atlantic cod and other species. Tom Porter speaks about the finding with NOAA researcher Dr. Kevin Friedland.

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Gulf of Maine Cod Disappearance Tied to Changing O

Duration:6:52

Maine Things Considered host Tom Porter talks with NOAA researcher Dr. Kevin Friendland, of the Northeast Fisheries Science Center in Rhode Island, about new findings that suggest that the disappearance of Gulf of Maine cod is tied to changing ocean temperatures, which is affecting a key food source for the species.